Added vendor/ directory for Composer's installed files

vendor/symfony/translation/MetadataAwareInterface.php

@@ -0,0 +1,54 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Translation;
+
+/**
+ * MetadataAwareInterface.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface MetadataAwareInterface
+{
+    /**
+     * Gets metadata for the given domain and key.
+     *
+     * Passing an empty domain will return an array with all metadata indexed by
+     * domain and then by key. Passing an empty key will return an array with all
+     * metadata for the given domain.
+     *
+     * @param string $key    The key
+     * @param string $domain The domain name
+     *
+     * @return mixed The value that was set or an array with the domains/keys or null
+     */
+    public function getMetadata($key = '', $domain = 'messages');
+
+    /**
+     * Adds metadata to a message domain.
+     *
+     * @param string $key    The key
+     * @param mixed  $value  The value
+     * @param string $domain The domain name
+     */
+    public function setMetadata($key, $value, $domain = 'messages');
+
+    /**
+     * Deletes metadata for the given key and domain.
+     *
+     * Passing an empty domain will delete all metadata. Passing an empty key will
+     * delete all metadata for the given domain.
+     *
+     * @param string $key    The key
+     * @param string $domain The domain name
+     */
+    public function deleteMetadata($key = '', $domain = 'messages');
+}